Ok, I tried fiddling with the -a flag, and the keys config option does what I want. However, I have a huge turn-off that is the error messages like
Error: No such file or directory while moving /run/media/41715435-89cb-4e8e-b531-40708180c365/Musique/Dump/dump to /run/media/dorian/41715435-89cb-4e8e-b531-40708180c365/Musique/beets/Mozart, Wolfgang Amadeus; Academy of St. Martin in The Fields, Marriner, Neville, Sir/The Late Symphonies 21-41 (0000)/cover that I constantly get (at least 5 for each
beet move that I have to correct somehow by using
beet fetchart -f, and that works only for some albums, for others I simply have no clue how to deal with it (related to https://github.com/beetbox/beets/issues/886 ). This problem comes back constantly and I would like there to be a solution to get around it somehow. I would like to just remove all coverarts and more generally all files that are not music files (lyrics, coverarts etc) so that I just have the plain music files. For those, a
beet update works to detect deleted files and remove them in the database. Is there a way to do that else than remove the database file and restart everything from scratch? I'm having so many problems that I would be willing to take this path even if that means wasting my whole weekend on this to retag my 3 versions of my database but I will do this only if there is no other solution.